The Joby BallHead 1K is a lightweight portable system weighing only 51 g, is strong enough to support equipment weighing up to 1 Kg. The Joby BallHead uses a standard 1/4 -20 threaded screw to mount compatible mirrorless cameras, video lights and flashes. The design features as full 360 Degree panning and 90 Degree tilting for nearly unrestricted movement, and once youve found the ideal position you can lock the specific position by the locking knob.